package designpattern.Builder.demo02;

/**
 * @author cyt
 * @create 2020-04-24 14:17
 */

// 抽象的建造者， 建造步骤
public abstract class builder {
    abstract builder builderA(String msg);

    abstract builder builderB(String msg);

    abstract builder builderC(String msg);

    abstract builder builderD(String msg);

    // 完成
    abstract Product getProduct();
}

